gdbbridge.py 61 KB
Newer Older
hjk's avatar
hjk committed
1

2 3 4 5 6 7 8 9 10
try:
    import __builtin__
except:
    import builtins
try:
    import gdb
except:
    pass

hjk's avatar
hjk committed
11
import os
12
import os.path
13
import sys
14 15
import struct

hjk's avatar
hjk committed
16

17 18
def warn(message):
    print("XXX: %s\n" % message.encode("latin1"))
19

20 21
from dumper import *
from qttypes import *
hjk's avatar
hjk committed
22 23 24
from stdtypes import *
from misctypes import *
from boosttypes import *
25
from creatortypes import *
hjk's avatar
hjk committed
26

27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65

#######################################################################
#
# Infrastructure
#
#######################################################################

def savePrint(output):
    try:
        print(output)
    except:
        out = ""
        for c in output:
            cc = ord(c)
            if cc > 127:
                out += "\\\\%d" % cc
            elif cc < 0:
                out += "\\\\%d" % (cc + 256)
            else:
                out += c
        print(out)

def registerCommand(name, func):

    class Command(gdb.Command):
        def __init__(self):
            super(Command, self).__init__(name, gdb.COMMAND_OBSCURE)
        def invoke(self, args, from_tty):
            savePrint(func(args))

    Command()


def listOfLocals(varList):
    frame = gdb.selected_frame()

    try:
        block = frame.block()
        #warn("BLOCK: %s " % block)
66
    except RuntimeError as error:
67
        #warn("BLOCK IN FRAME NOT ACCESSIBLE: %s" % error)
68
        return []
69 70
    except:
        warn("BLOCK NOT ACCESSIBLE FOR UNKNOWN REASONS")
71
        return []
72 73 74 75 76 77 78 79 80 81

    items = []
    shadowed = {}
    while True:
        if block is None:
            warn("UNEXPECTED 'None' BLOCK")
            break
        for symbol in block:
            name = symbol.print_name

82
            if name == "__in_chrg" or name == "__PRETTY_FUNCTION__":
83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206
                continue

            # "NotImplementedError: Symbol type not yet supported in
            # Python scripts."
            #warn("SYMBOL %s  (%s): " % (symbol, name))
            if name in shadowed:
                level = shadowed[name]
                name1 = "%s@%s" % (name, level)
                shadowed[name] = level + 1
            else:
                name1 = name
                shadowed[name] = 1
            #warn("SYMBOL %s  (%s, %s)): " % (symbol, name, symbol.name))
            item = LocalItem()
            item.iname = "local." + name1
            item.name = name1
            try:
                item.value = frame.read_var(name, block)
                #warn("READ 1: %s" % item.value)
                if not item.value.is_optimized_out:
                    #warn("ITEM 1: %s" % item.value)
                    items.append(item)
                    continue
            except:
                pass

            try:
                item.value = frame.read_var(name)
                #warn("READ 2: %s" % item.value)
                if not item.value.is_optimized_out:
                    #warn("ITEM 2: %s" % item.value)
                    items.append(item)
                    continue
            except:
                # RuntimeError: happens for
                #     void foo() { std::string s; std::wstring w; }
                # ValueError: happens for (as of 2010/11/4)
                #     a local struct as found e.g. in
                #     gcc sources in gcc.c, int execute()
                pass

            try:
                #warn("READ 3: %s %s" % (name, item.value))
                item.value = gdb.parse_and_eval(name)
                #warn("ITEM 3: %s" % item.value)
                items.append(item)
            except:
                # Can happen in inlined code (see last line of
                # RowPainter::paintChars(): "RuntimeError:
                # No symbol \"__val\" in current context.\n"
                pass

        # The outermost block in a function has the function member
        # FIXME: check whether this is guaranteed.
        if not block.function is None:
            break

        block = block.superblock

    return items



#######################################################################
#
# Types
#
#######################################################################

PointerCode = gdb.TYPE_CODE_PTR
ArrayCode = gdb.TYPE_CODE_ARRAY
StructCode = gdb.TYPE_CODE_STRUCT
UnionCode = gdb.TYPE_CODE_UNION
EnumCode = gdb.TYPE_CODE_ENUM
FlagsCode = gdb.TYPE_CODE_FLAGS
FunctionCode = gdb.TYPE_CODE_FUNC
IntCode = gdb.TYPE_CODE_INT
FloatCode = gdb.TYPE_CODE_FLT # Parts of GDB assume that this means complex.
VoidCode = gdb.TYPE_CODE_VOID
#SetCode = gdb.TYPE_CODE_SET
RangeCode = gdb.TYPE_CODE_RANGE
StringCode = gdb.TYPE_CODE_STRING
#BitStringCode = gdb.TYPE_CODE_BITSTRING
#ErrorTypeCode = gdb.TYPE_CODE_ERROR
MethodCode = gdb.TYPE_CODE_METHOD
MethodPointerCode = gdb.TYPE_CODE_METHODPTR
MemberPointerCode = gdb.TYPE_CODE_MEMBERPTR
ReferenceCode = gdb.TYPE_CODE_REF
CharCode = gdb.TYPE_CODE_CHAR
BoolCode = gdb.TYPE_CODE_BOOL
ComplexCode = gdb.TYPE_CODE_COMPLEX
TypedefCode = gdb.TYPE_CODE_TYPEDEF
NamespaceCode = gdb.TYPE_CODE_NAMESPACE
#Code = gdb.TYPE_CODE_DECFLOAT # Decimal floating point.
#Code = gdb.TYPE_CODE_MODULE # Fortran
#Code = gdb.TYPE_CODE_INTERNAL_FUNCTION


#######################################################################
#
# Convenience
#
#######################################################################

# Just convienience for 'python print ...'
class PPCommand(gdb.Command):
    def __init__(self):
        super(PPCommand, self).__init__("pp", gdb.COMMAND_OBSCURE)
    def invoke(self, args, from_tty):
        print(eval(args))

PPCommand()

# Just convienience for 'python print gdb.parse_and_eval(...)'
class PPPCommand(gdb.Command):
    def __init__(self):
        super(PPPCommand, self).__init__("ppp", gdb.COMMAND_OBSCURE)
    def invoke(self, args, from_tty):
        print(gdb.parse_and_eval(args))

PPPCommand()


def scanStack(p, n):
207
    p = int(p)
208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226
    r = []
    for i in xrange(n):
        f = gdb.parse_and_eval("{void*}%s" % p)
        m = gdb.execute("info symbol %s" % f, to_string=True)
        if not m.startswith("No symbol matches"):
            r.append(m)
        p += f.type.sizeof
    return r

class ScanStackCommand(gdb.Command):
    def __init__(self):
        super(ScanStackCommand, self).__init__("scanStack", gdb.COMMAND_OBSCURE)
    def invoke(self, args, from_tty):
        if len(args) == 0:
            args = 20
        savePrint(scanStack(gdb.parse_and_eval("$sp"), int(args)))

ScanStackCommand()

hjk's avatar
hjk committed
227

228
def bbsetup(args = ''):
229
    print(theDumper.bbsetup())
230 231 232 233 234 235 236 237 238 239 240 241 242 243 244

registerCommand("bbsetup", bbsetup)


#######################################################################
#
# Import plain gdb pretty printers
#
#######################################################################

class PlainDumper:
    def __init__(self, printer):
        self.printer = printer

    def __call__(self, d, value):
245
        printer = self.printer.invoke(value)
246 247 248 249 250 251 252 253 254 255 256 257 258
        lister = getattr(printer, "children", None)
        children = [] if lister is None else list(lister())
        d.putType(self.printer.name)
        val = printer.to_string().encode("hex")
        d.putValue(val, Hex2EncodedLatin1)
        d.putValue(printer.to_string())
        d.putNumChild(len(children))
        if d.isExpanded():
            with Children(d):
                for child in children:
                    d.putSubItem(child[0], child[1])

def importPlainDumpers(args):
259
    theDumper.importPlainDumpers()
260 261 262 263

registerCommand("importPlainDumpers", importPlainDumpers)


264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295

class OutputSafer:
    def __init__(self, d):
        self.d = d

    def __enter__(self):
        self.savedOutput = self.d.output
        self.d.output = []

    def __exit__(self, exType, exValue, exTraceBack):
        if self.d.passExceptions and not exType is None:
            showException("OUTPUTSAFER", exType, exValue, exTraceBack)
            self.d.output = self.savedOutput
        else:
            self.savedOutput.extend(self.d.output)
            self.d.output = self.savedOutput
        return False



#def couldBePointer(p, align):
#    type = lookupType("unsigned int")
#    ptr = gdb.Value(p).cast(type)
#    d = int(str(ptr))
#    warn("CHECKING : %s %d " % (p, ((d & 3) == 0 and (d > 1000 or d == 0))))
#    return (d & (align - 1)) and (d > 1000 or d == 0)


Value = gdb.Value



296 297 298 299 300
def stripTypedefs(typeobj):
    typeobj = typeobj.unqualified()
    while typeobj.code == TypedefCode:
        typeobj = typeobj.strip_typedefs().unqualified()
    return typeobj
301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320


#######################################################################
#
# LocalItem
#
#######################################################################

# Contains iname, name, and value.
class LocalItem:
    pass


#######################################################################
#
# Edit Command
#
#######################################################################

def bbedit(args):
321
    theDumper.bbedit(args)
322 323 324 325 326 327 328 329 330 331

registerCommand("bbedit", bbedit)


#######################################################################
#
# Frame Command
#
#######################################################################

332

333
def bb(args):
334 335 336 337 338
    try:
        print(theDumper.run(args))
    except:
        import traceback
        traceback.print_exc()
339 340

registerCommand("bb", bb)
341

342 343 344 345 346 347 348 349

#######################################################################
#
# The Dumper Class
#
#######################################################################


350 351
class Dumper(DumperBase):

352
    def __init__(self):
353 354
        DumperBase.__init__(self)

355
        # These values will be kept between calls to 'run'.
356
        self.isGdb = True
357
        self.childEventAddress = None
358 359
        self.typesReported = {}
        self.typesToReport = {}
360
        self.qtNamespaceToReport = None
361 362

    def run(self, args):
363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397
        self.output = []
        self.currentIName = ""
        self.currentPrintsAddress = True
        self.currentChildType = ""
        self.currentChildNumChild = -1
        self.currentMaxNumChild = -1
        self.currentNumChild = -1
        self.currentValue = None
        self.currentValuePriority = -100
        self.currentValueEncoding = None
        self.currentType = None
        self.currentTypePriority = -100
        self.currentAddress = None
        self.typeformats = {}
        self.formats = {}
        self.useDynamicType = True
        self.expandedINames = {}

        watchers = ""
        resultVarName = ""
        options = []
        varList = []

        self.output.append('data=[')
        for arg in args.split(' '):
            pos = arg.find(":") + 1
            if arg.startswith("options:"):
                options = arg[pos:].split(",")
            elif arg.startswith("vars:"):
                if len(arg[pos:]) > 0:
                    varList = arg[pos:].split(",")
            elif arg.startswith("resultvarname:"):
                resultVarName = arg[pos:]
            elif arg.startswith("expanded:"):
                self.expandedINames = set(arg[pos:].split(","))
398 399
            elif arg.startswith("stringcutoff:"):
                self.stringCutOff = int(arg[pos:])
400 401 402 403
            elif arg.startswith("typeformats:"):
                for f in arg[pos:].split(","):
                    pos = f.find("=")
                    if pos != -1:
404 405
                        typeName = self.hexdecode(f[0:pos])
                        self.typeformats[typeName] = int(f[pos+1:])
406 407 408 409 410 411
            elif arg.startswith("formats:"):
                for f in arg[pos:].split(","):
                    pos = f.find("=")
                    if pos != -1:
                        self.formats[f[0:pos]] = int(f[pos+1:])
            elif arg.startswith("watchers:"):
hjk's avatar
hjk committed
412
                watchers = self.hexdecode(arg[pos:])
413 414 415

        self.useDynamicType = "dyntype" in options
        self.useFancy = "fancy" in options
416
        self.forceQtNamespace = "forcens" in options
417 418 419 420 421
        self.passExceptions = "pe" in options
        #self.passExceptions = True
        self.autoDerefPointers = "autoderef" in options
        self.partialUpdate = "partial" in options
        self.tooltipOnly = "tooltiponly" in options
422
        self.fallbackQtVersion = 0x50200
423
        #warn("NAMESPACE: '%s'" % self.qtNamespace())
424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453
        #warn("VARIABLES: %s" % varList)
        #warn("EXPANDED INAMES: %s" % self.expandedINames)
        #warn("WATCHERS: %s" % watchers)
        #warn("PARTIAL: %s" % self.partialUpdate)

        #
        # Locals
        #
        locals = []
        fullUpdateNeeded = True
        if self.partialUpdate and len(varList) == 1 and not self.tooltipOnly:
            #warn("PARTIAL: %s" % varList)
            parts = varList[0].split('.')
            #warn("PARTIAL PARTS: %s" % parts)
            name = parts[1]
            #warn("PARTIAL VAR: %s" % name)
            #fullUpdateNeeded = False
            try:
                frame = gdb.selected_frame()
                item = LocalItem()
                item.iname = "local." + name
                item.name = name
                item.value = frame.read_var(name)
                locals = [item]
                #warn("PARTIAL LOCALS: %s" % locals)
                fullUpdateNeeded = False
            except:
                pass
            varList = []

454
        if fullUpdateNeeded and not self.tooltipOnly:
455 456 457 458 459 460 461 462
            locals = listOfLocals(varList)

        # Take care of the return value of the last function call.
        if len(resultVarName) > 0:
            try:
                item = LocalItem()
                item.name = resultVarName
                item.iname = "return." + resultVarName
463
                item.value = self.parseAndEvaluate(resultVarName)
464 465 466 467 468 469
                locals.append(item)
            except:
                # Don't bother. It's only supplementary information anyway.
                pass

        for item in locals:
470
            value = self.downcast(item.value) if self.useDynamicType else item.value
471 472 473
            with OutputSafer(self):
                self.anonNumber = -1

474 475
                if item.iname == "local.argv" and str(value.type) == "char **":
                    self.putSpecialArgv(value)
476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493
                else:
                    # A "normal" local variable or parameter.
                    with TopLevelItem(self, item.iname):
                        self.put('iname="%s",' % item.iname)
                        self.put('name="%s",' % item.name)
                        self.putItem(value)

        #
        # Watchers
        #
        with OutputSafer(self):
            if len(watchers) > 0:
                for watcher in watchers.split("##"):
                    (exp, iname) = watcher.split("#")
                    self.handleWatch(exp, iname)

        #print('data=[' + locals + sep + watchers + ']\n')

494 495
        self.output.append('],typeinfo=[')
        for name in self.typesToReport.keys():
496
            typeobj = self.typesToReport[name]
497
            # Happens e.g. for '(anonymous namespace)::InsertDefOperation'
498
            if not typeobj is None:
499
                self.output.append('{name="%s",size="%s"}'
500
                    % (self.hexencode(name), typeobj.sizeof))
501 502
        self.output.append(']')
        self.typesToReport = {}
503

504 505 506
        if "forcens" in options:
            self.qtNamepaceToRport = self.qtNamespace()

507 508 509 510
        if self.qtNamespaceToReport:
            self.output.append(',qtnamespace="%s"' % self.qtNamespaceToReport)
            self.qtNamespaceToReport = None

511
        return "".join(self.output)
512

513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569
    def enterSubItem(self, item):
        if not item.iname:
            item.iname = "%s.%s" % (self.currentIName, item.name)
        #warn("INAME %s" % item.iname)
        self.put('{')
        #if not item.name is None:
        if isinstance(item.name, str):
            self.put('name="%s",' % item.name)
        item.savedIName = self.currentIName
        item.savedValue = self.currentValue
        item.savedValuePriority = self.currentValuePriority
        item.savedValueEncoding = self.currentValueEncoding
        item.savedType = self.currentType
        item.savedTypePriority = self.currentTypePriority
        item.savedCurrentAddress = self.currentAddress
        self.currentIName = item.iname
        self.currentValuePriority = -100
        self.currentValueEncoding = None
        self.currentType = ""
        self.currentTypePriority = -100
        self.currentAddress = None

    def exitSubItem(self, item, exType, exValue, exTraceBack):
        #warn(" CURRENT VALUE: %s %s %s" % (self.currentValue,
        #    self.currentValueEncoding, self.currentValuePriority))
        if not exType is None:
            if self.passExceptions:
                showException("SUBITEM", exType, exValue, exTraceBack)
            self.putNumChild(0)
            self.putValue("<not accessible>")
        try:
            #warn("TYPE VALUE: %s" % self.currentValue)
            typeName = stripClassTag(self.currentType)
            #warn("TYPE: '%s'  DEFAULT: '%s' % (typeName, self.currentChildType))

            if len(typeName) > 0 and typeName != self.currentChildType:
                self.put('type="%s",' % typeName) # str(type.unqualified()) ?
            if  self.currentValue is None:
                self.put('value="<not accessible>",numchild="0",')
            else:
                if not self.currentValueEncoding is None:
                    self.put('valueencoded="%d",' % self.currentValueEncoding)
                self.put('value="%s",' % self.currentValue)
        except:
            pass
        if not self.currentAddress is None:
            self.put(self.currentAddress)
        self.put('},')
        self.currentIName = item.savedIName
        self.currentValue = item.savedValue
        self.currentValuePriority = item.savedValuePriority
        self.currentValueEncoding = item.savedValueEncoding
        self.currentType = item.savedType
        self.currentTypePriority = item.savedTypePriority
        self.currentAddress = item.savedCurrentAddress
        return True

570 571 572
    def parseAndEvaluate(self, exp):
        return gdb.parse_and_eval(exp)

573 574 575 576 577 578 579 580 581 582 583 584 585
    def call2(self, value, func, args):
        # args is a tuple.
        arg = ""
        for i in range(len(args)):
            if i:
                arg += ','
            a = args[i]
            if (':' in a) and not ("'" in a):
                arg = "'%s'" % a
            else:
                arg += a

        #warn("CALL: %s -> %s(%s)" % (value, func, arg))
586 587 588
        typeName = stripClassTag(str(value.type))
        if typeName.find(":") >= 0:
            typeName = "'" + typeName + "'"
589
        # 'class' is needed, see http://sourceware.org/bugzilla/show_bug.cgi?id=11912
590 591 592
        #exp = "((class %s*)%s)->%s(%s)" % (typeName, value.address, func, arg)
        ptr = value.address if value.address else self.pokeValue(value)
        exp = "((%s*)%s)->%s(%s)" % (typeName, ptr, func, arg)
593
        #warn("CALL: %s" % exp)
594
        result = gdb.parse_and_eval(exp)
595
        #warn("  -> %s" % result)
596 597
        if not value.address:
            gdb.parse_and_eval("free(0x%x)" % ptr)
598 599 600 601 602
        return result

    def call(self, value, func, *args):
        return self.call2(value, func, args)

hjk's avatar
hjk committed
603
    def childWithName(self, value, name):
604
        try:
hjk's avatar
hjk committed
605
            return value[name]
606
        except:
hjk's avatar
hjk committed
607
            return None
608

hjk's avatar
hjk committed
609 610 611 612 613
    def makeValue(self, type, init):
        type = "::" + stripClassTag(str(type));
        # Avoid malloc symbol clash with QVector.
        gdb.execute("set $d = (%s*)calloc(sizeof(%s), 1)" % (type, type))
        gdb.execute("set *$d = {%s}" % init)
hjk's avatar
hjk committed
614
        value = gdb.parse_and_eval("$d").dereference()
hjk's avatar
hjk committed
615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632
        #warn("  TYPE: %s" % value.type)
        #warn("  ADDR: %s" % value.address)
        #warn("  VALUE: %s" % value)
        return value

    def makeExpression(self, value):
        type = "::" + stripClassTag(str(value.type))
        #warn("  TYPE: %s" % type)
        #exp = "(*(%s*)(&%s))" % (type, value.address)
        exp = "(*(%s*)(%s))" % (type, value.address)
        #warn("  EXP: %s" % exp)
        return exp

    def makeStdString(init):
        # Works only for small allocators, but they are usually empty.
        gdb.execute("set $d=(std::string*)calloc(sizeof(std::string), 2)");
        gdb.execute("call($d->basic_string(\"" + init +
            "\",*(std::allocator<char>*)(1+$d)))")
hjk's avatar
hjk committed
633
        value = gdb.parse_and_eval("$d").dereference()
hjk's avatar
hjk committed
634 635 636 637 638
        #warn("  TYPE: %s" % value.type)
        #warn("  ADDR: %s" % value.address)
        #warn("  VALUE: %s" % value)
        return value

639 640 641
    def childAt(self, value, index):
        field = value.type.fields()[index]
        if len(field.name):
642 643 644 645 646
            try:
                return value[field.name]
            except:
                return value.cast(field.type)

647 648 649 650 651 652 653 654 655
        # FIXME: Cheat. There seems to be no official way to access
        # the real item, so we pass back the value. That at least
        # enables later ...["name"] style accesses as gdb handles
        # them transparently.
        return value

    def fieldAt(self, type, index):
        return type.fields()[index]

656 657 658
    def simpleValue(self, value):
        return str(value)

659
    def directBaseClass(self, typeobj, index = 0):
660 661 662 663 664
        for f in typeobj.fields():
            if f.is_base_class:
                if index == 0:
                    return f.type
                index -= 1;
hjk's avatar
hjk committed
665 666 667 668 669 670 671 672
        return None

    def directBaseObject(self, value, index = 0):
        for f in value.type.fields():
            if f.is_base_class:
                if index == 0:
                    return value.cast(f.type)
                index -= 1;
673
        return None
674 675 676 677 678 679 680 681 682 683 684 685 686 687 688

    def checkPointer(self, p, align = 1):
        if not self.isNull(p):
            p.dereference()

    def pointerValue(self, p):
        return toInteger(p)

    def isNull(self, p):
        # The following can cause evaluation to abort with "UnicodeEncodeError"
        # for invalid char *, as their "contents" is being examined
        #s = str(p)
        #return s == "0x0" or s.startswith("0x0 ")
        #try:
        #    # Can fail with: "RuntimeError: Cannot access memory at address 0x5"
hjk's avatar
hjk committed
689
        #    return p.cast(self.lookupType("void").pointer()) == 0
690 691 692 693 694 695 696 697
        #except:
        #    return False
        try:
            # Can fail with: "RuntimeError: Cannot access memory at address 0x5"
            return toInteger(p) == 0
        except:
            return False

698
    def templateArgument(self, typeobj, position):
699 700 701 702 703 704 705
        try:
            # This fails on stock 7.2 with
            # "RuntimeError: No type named myns::QObject.\n"
            return typeobj.template_argument(position)
        except:
            # That's something like "myns::QList<...>"
            return self.lookupType(self.extractTemplateArgument(str(typeobj.strip_typedefs()), position))
706 707

    def numericTemplateArgument(self, typeobj, position):
708 709 710 711 712 713 714 715 716 717 718 719
        # Workaround for gdb < 7.1
        try:
            return int(typeobj.template_argument(position))
        except RuntimeError as error:
            # ": No type named 30."
            msg = str(error)
            msg = msg[14:-1]
            # gdb at least until 7.4 produces for std::array<int, 4u>
            # for template_argument(1): RuntimeError: No type named 4u.
            if msg[-1] == 'u':
               msg = msg[0:-1]
            return int(msg)
720 721 722

    def handleWatch(self, exp, iname):
        exp = str(exp)
hjk's avatar
hjk committed
723
        escapedExp = self.hexencode(exp);
724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740
        #warn("HANDLING WATCH %s, INAME: '%s'" % (exp, iname))
        if exp.startswith("[") and exp.endswith("]"):
            #warn("EVAL: EXP: %s" % exp)
            with TopLevelItem(self, iname):
                self.put('iname="%s",' % iname)
                self.put('wname="%s",' % escapedExp)
                try:
                    list = eval(exp)
                    self.putValue("")
                    self.putNoType()
                    self.putNumChild(len(list))
                    # This is a list of expressions to evaluate
                    with Children(self, len(list)):
                        itemNumber = 0
                        for item in list:
                            self.handleWatch(item, "%s.%d" % (iname, itemNumber))
                            itemNumber += 1
741
                except RuntimeError as error:
742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757
                    warn("EVAL: ERROR CAUGHT %s" % error)
                    self.putValue("<syntax error>")
                    self.putNoType()
                    self.putNumChild(0)
                    self.put("children=[],")
            return

        with TopLevelItem(self, iname):
            self.put('iname="%s",' % iname)
            self.put('wname="%s",' % escapedExp)
            if len(exp) == 0: # The <Edit> case
                self.putValue(" ")
                self.putNoType()
                self.putNumChild(0)
            else:
                try:
758
                    value = self.parseAndEvaluate(exp)
759 760 761 762 763 764 765 766
                    self.putItem(value)
                except RuntimeError:
                    self.currentType = " "
                    self.currentValue = "<no such value>"
                    self.currentChildNumChild = -1
                    self.currentNumChild = 0
                    self.putNumChild(0)

767
    def intType(self):
768 769 770
        self.cachedIntType = self.lookupType('int')
        self.intType = lambda: self.cachedIntType
        return self.cachedIntType
771 772

    def charType(self):
hjk's avatar
hjk committed
773
        return self.lookupType('char')
774 775

    def sizetType(self):
hjk's avatar
hjk committed
776
        return self.lookupType('size_t')
777 778

    def charPtrType(self):
hjk's avatar
hjk committed
779
        return self.lookupType('char*')
780 781

    def voidPtrType(self):
hjk's avatar
hjk committed
782
        return self.lookupType('void*')
783

784
    def addressOf(self, value):
785
        return toInteger(value.address)
786

787
    def createPointerValue(self, address, pointeeType):
788 789 790 791 792 793 794 795
        # This might not always work:
        # a Python 3 based GDB due to the bug addressed in
        # https://sourceware.org/ml/gdb-patches/2013-09/msg00571.html
        try:
            return gdb.Value(address).cast(pointeeType.pointer())
        except:
            # Try _some_ fallback (good enough for the std::complex dumper)
            return gdb.parse_and_eval("(%s*)%s" % (pointeeType, address))
796 797 798 799 800

    def intSize(self):
        return 4

    def ptrSize(self):
801 802 803
        self.cachedPtrSize = self.lookupType('void*').sizeof
        self.ptrSize = lambda: self.cachedPtrSize
        return self.cachedPtrSize
804

805 806 807 808 809 810 811 812 813 814 815 816 817 818
    def pokeValue(self, value):
        """
        Allocates inferior memory and copies the contents of value.
        Returns a pointer to the copy.
        """
        # Avoid malloc symbol clash with QVector
        size = value.type.sizeof
        data = value.cast(gdb.lookup_type("unsigned char").array(0, int(size - 1)))
        string = ''.join("\\x%02x" % int(data[i]) for i in range(size))
        exp = '(%s*)memcpy(calloc(%s, 1), "%s", %s)' % (value.type, size, string, size)
        #warn("EXP: %s" % exp)
        return toInteger(gdb.parse_and_eval(exp))


819
    def createValue(self, address, referencedType):
820 821 822 823 824
        try:
            return gdb.Value(address).cast(referencedType.pointer()).dereference()
        except:
            # Try _some_ fallback (good enough for the std::complex dumper)
            return gdb.parse_and_eval("{%s}%s" % (referencedType, address))
825

826 827 828 829 830 831 832 833 834
    def setValue(self, address, type, value):
        cmd = "set {%s}%s=%s" % (type, address, value)
        gdb.execute(cmd)

    def setValues(self, address, type, values):
        cmd = "set {%s[%s]}%s={%s}" \
            % (type, len(values), address, ','.join(map(str, values)))
        gdb.execute(cmd)

835 836
    def selectedInferior(self):
        try:
837
            # gdb.Inferior is new in gdb 7.2
838
            self.cachedInferior = gdb.selected_inferior()
839 840
        except:
            # Pre gdb 7.4. Right now we don't have more than one inferior anyway.
841 842 843 844 845
            self.cachedInferior = gdb.inferiors()[0]

        # Memoize result.
        self.selectedInferior = lambda: self.cachedInferior
        return self.cachedInferior
846

847
    def readRawMemory(self, addr, size):
848
        mem = self.selectedInferior().read_memory(addr, size)
849 850 851 852
        if sys.version_info[0] >= 3:
            mem.tobytes()
        return mem

853 854 855
    def extractInt64(self, addr):
        return struct.unpack("q", self.readRawMemory(addr, 8))[0]

856
    def extractInt(self, addr):
857
        return struct.unpack("i", self.readRawMemory(addr, 4))[0]
858

859
    def extractByte(self, addr):
860
        return struct.unpack("b", self.readRawMemory(addr, 1))[0]
861

862 863 864 865 866 867 868 869
    def findSymbol(self, symbolName):
        try:
            result = gdb.lookup_global_symbol(symbolName)
            return result.value() if result else 0
        except:
            pass
        # Older GDB ~7.4
        try:
870 871 872
            address = gdb.parse_and_eval("&'%s'" % symbolName)
            type = gdb.lookup_type(self.qtNamespace() + "QMetaObject")
            return self.createPointerValue(address, type)
873 874
        except:
            return 0
875

876 877 878 879 880
    def put(self, value):
        self.output.append(value)

    def childRange(self):
        if self.currentMaxNumChild is None:
881 882
            return xrange(0, toInteger(self.currentNumChild))
        return xrange(min(toInteger(self.currentMaxNumChild), toInteger(self.currentNumChild)))
883

884 885 886 887 888 889
    def isArmArchitecture(self):
        return 'arm' in gdb.TARGET_CONFIG.lower()

    def isQnxTarget(self):
        return 'qnx' in gdb.TARGET_CONFIG.lower()

hjk's avatar
hjk committed
890 891 892 893 894
    def qtVersionString(self):
        try:
            return str(gdb.lookup_symbol("qVersion")[0].value()())
        except:
            pass
895
        try:
896
            ns = self.qtNamespace()
hjk's avatar
hjk committed
897 898 899 900 901 902 903 904
            return str(gdb.parse_and_eval("((const char*(*)())'%sqVersion')()" % ns))
        except:
            pass
        return None

    def qtVersion(self):
        try:
            version = self.qtVersionString()
905
            (major, minor, patch) = version[version.find('"')+1:version.rfind('"')].split('.')
hjk's avatar
hjk committed
906 907 908
            qtversion = 0x10000 * int(major) + 0x100 * int(minor) + int(patch)
            self.qtVersion = lambda: qtversion
            return qtversion
909
        except:
910 911
            # Use fallback until we have a better answer.
            return self.fallbackQtVersion
912

913 914 915 916 917 918 919 920 921 922 923 924 925 926 927
    def isQt3Support(self):
        if self.qtVersion() >= 0x050000:
            return False
        else:
            try:
                # This will fail on Qt 4 without Qt 3 support
                gdb.execute("ptype QChar::null", to_string=True)
                self.cachedIsQt3Suport = True
            except:
                self.cachedIsQt3Suport = False

        # Memoize good results.
        self.isQt3Support = lambda: self.cachedIsQt3Suport
        return self.cachedIsQt3Suport

928
    def putBetterType(self, type):
929 930 931 932 933 934
        self.currentType = str(type)
        self.currentTypePriority = self.currentTypePriority + 1

    def putAddress(self, addr):
        if self.currentPrintsAddress:
            try:
935 936 937
                # addr can be "None", int(None) fails.
                #self.put('addr="0x%x",' % int(addr))
                self.currentAddress = 'addr="0x%x",' % toInteger(addr)
938 939 940 941 942 943 944 945
            except:
                pass

    def putNumChild(self, numchild):
        #warn("NUM CHILD: '%s' '%s'" % (numchild, self.currentChildNumChild))
        if numchild != self.currentChildNumChild:
            self.put('numchild="%s",' % numchild)

hjk's avatar
hjk committed
946 947 948
    def putSimpleValue(self, value, encoding = None, priority = 0):
        self.putValue(value, encoding, priority)

949 950 951 952 953 954
    def putPointerValue(self, value):
        # Use a lower priority
        if value is None:
            self.putEmptyValue(-1)
        else:
            self.putValue("0x%x" % value.cast(
hjk's avatar
hjk committed
955
                self.lookupType("unsigned long")), None, -1)
956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971

    def putDisplay(self, format, value = None, cmd = None):
        self.put('editformat="%s",' % format)
        if cmd is None:
            if not value is None:
                self.put('editvalue="%s",' % value)
        else:
            self.put('editvalue="%s|%s",' % (cmd, value))

    def isExpandedSubItem(self, component):
        iname = "%s.%s" % (self.currentIName, component)
        #warn("IS EXPANDED: %s in %s" % (iname, self.expandedINames))
        return iname in self.expandedINames

    def stripNamespaceFromType(self, typeName):
        type = stripClassTag(typeName)
972 973 974
        ns = self.qtNamespace()
        if len(ns) > 0 and type.startswith(ns):
            type = type[len(ns):]
975 976 977 978 979 980 981 982 983 984 985
        pos = type.find("<")
        # FIXME: make it recognize  foo<A>::bar<B>::iterator?
        while pos != -1:
            pos1 = type.rfind(">", pos)
            type = type[0:pos] + type[pos1+1:]
            pos = type.find("<")
        return type

    def isMovableType(self, type):
        if type.code == PointerCode:
            return True
986
        if self.isSimpleType(type):
987
            return True
988
        return self.isKnownMovableType(self.stripNamespaceFromType(str(type)))
989 990 991 992 993

    def putSubItem(self, component, value, tryDynamic=True):
        with SubItem(self, component):
            self.putItem(value, tryDynamic)

994 995 996 997 998 999
    def isSimpleType(self, typeobj):
        code = typeobj.code
        return code == BoolCode \
            or code == CharCode \
            or code == IntCode \
            or code == FloatCode \
1000
            or code == EnumCode
1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031

    def simpleEncoding(self, typeobj):
        code = typeobj.code
        if code == BoolCode or code == CharCode:
            return Hex2EncodedInt1
        if code == IntCode:
            if str(typeobj).find("unsigned") >= 0:
                if typeobj.sizeof == 1:
                    return Hex2EncodedUInt1
                if typeobj.sizeof == 2:
                    return Hex2EncodedUInt2
                if typeobj.sizeof == 4:
                    return Hex2EncodedUInt4
                if typeobj.sizeof == 8:
                    return Hex2EncodedUInt8
            else:
                if typeobj.sizeof == 1:
                    return Hex2EncodedInt1
                if typeobj.sizeof == 2:
                    return Hex2EncodedInt2
                if typeobj.sizeof == 4:
                    return Hex2EncodedInt4
                if typeobj.sizeof == 8:
                    return Hex2EncodedInt8
        if code == FloatCode:
            if typeobj.sizeof == 4:
                return Hex2EncodedFloat4
            if typeobj.sizeof == 8:
                return Hex2EncodedFloat8
        return None

hjk's avatar
hjk committed
1032 1033 1034 1035 1036 1037
    def isReferenceType(self, typeobj):
        return typeobj.code == gdb.TYPE_CODE_REF

    def isStructType(self, typeobj):
        return typeobj.code == gdb.TYPE_CODE_STRUCT

hjk's avatar
hjk committed
1038
    def putArrayData(self, typeobj, base, n,
1039
            childNumChild = None, maxNumChild = 10000):
hjk's avatar
hjk committed
1040 1041 1042 1043
        if not self.tryPutArrayContents(typeobj, base, n):
            base = self.createPointerValue(base, typeobj)
            with Children(self, n, typeobj, childNumChild, maxNumChild,
                    base, typeobj.sizeof):
1044
                for i in self.childRange():
hjk's avatar
hjk committed
1045
                    i = toInteger(i)
1046 1047 1048
                    self.putSubItem(i, (base + i).dereference())

    def putCallItem(self, name, value, func, *args):
1049
        result = self.call2(value, func, args)
1050 1051 1052
        with SubItem(self, name):
            self.putItem(result)

hjk's avatar
hjk committed
1053 1054 1055
    def isFunctionType(self, type):
        return type.code == MethodCode or type.code == FunctionCode

1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067
    def putItem(self, value, tryDynamic=True):
        if value is None:
            # Happens for non-available watchers in gdb versions that
            # need to use gdb.execute instead of gdb.parse_and_eval
            self.putValue("<not available>")
            self.putType("<unknown>")
            self.putNumChild(0)
            return

        type = value.type.unqualified()
        typeName = str(type)
        tryDynamic &= self.useDynamicType
1068
        self.addToCache(type) # Fill type cache
1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081
        if tryDynamic:
            self.putAddress(value.address)

        # FIXME: Gui shows references stripped?
        #warn(" ")
        #warn("REAL INAME: %s " % self.currentIName)
        #warn("REAL TYPE: %s " % value.type)
        #warn("REAL CODE: %s " % value.type.code)
        #warn("REAL VALUE: %s " % value)

        if type.code == ReferenceCode:
            try:
                # Try to recognize null references explicitly.
1082
                if toInteger(value.address) == 0:
1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107
                    self.putValue("<null reference>")
                    self.putType(typeName)
                    self.putNumChild(0)
                    return
            except:
                pass

            if tryDynamic:
                try:
                    # Dynamic references are not supported by gdb, see
                    # http://sourceware.org/bugzilla/show_bug.cgi?id=14077.
                    # Find the dynamic type manually using referenced_type.
                    value = value.referenced_value()
                    value = value.cast(value.dynamic_type)
                    self.putItem(value)
                    self.putBetterType("%s &" % value.type)
                    return
                except:
                    pass

            try:
                # FIXME: This throws "RuntimeError: Attempt to dereference a
                # generic pointer." with MinGW's gcc 4.5 when it "identifies"
                # a "QWidget &" as "void &" and with optimized out code.
                self.putItem(value.cast(type.target().unqualified()))
1108
                self.putBetterType("%s &" % self.currentType)
1109 1110 1111 1112 1113 1114 1115
                return
            except RuntimeError:
                self.putValue("<optimized out reference>")
                self.putType(typeName)
                self.putNumChild(0)
                return

1116
        if type.code == IntCode or type.code == CharCode:
1117 1118 1119
            self.putType(typeName)
            if value.is_optimized_out:
                self.putValue("<optimized out>")
1120 1121 1122
            elif type.sizeof == 1:
                # Force unadorned value transport for char and Co.
                self.putValue(int(value) & 0xff)
1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155
            else:
                self.putValue(value)
            self.putNumChild(0)
            return

        if type.code == FloatCode or type.code == BoolCode:
            self.putType(typeName)
            if value.is_optimized_out:
                self.putValue("<optimized out>")
            else:
                self.putValue(value)
            self.putNumChild(0)
            return

        if type.code == EnumCode:
            self.putType(typeName)
            if value.is_optimized_out:
                self.putValue("<optimized out>")
            else:
                self.putValue("%s (%d)" % (value, value))
            self.putNumChild(0)
            return

        if type.code == ComplexCode:
            self.putType(typeName)
            if value.is_optimized_out:
                self.putValue("<optimized out>")
            else:
                self.putValue("%s" % value)
            self.putNumChild(0)
            return

        if type.code == TypedefCode:
1156
            if typeName in self.qqDumpers:
1157
                self.putType(typeName)
1158
                self.qqDumpers[typeName](self, value)
1159 1160 1161 1162 1163 1164 1165
                return

            type = stripTypedefs(type)
            # The cast can destroy the address?
            #self.putAddress(value.address)
            # Workaround for http://sourceware.org/bugzilla/show_bug.cgi?id=13380
            if type.code == ArrayCode:
1166
                value = self.parseAndEvaluate("{%s}%s" % (type, value.address))
1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180
            else:
                try:
                    value = value.cast(type)
                except:
                    self.putValue("<optimized out typedef>")
                    self.putType(typeName)
                    self.putNumChild(0)
                    return

            self.putItem(value)
            self.putBetterType(typeName)
            return

        if type.code == ArrayCode:
1181
            self.putCStyleArray(value)
1182 1183 1184 1185 1186 1187 1188 1189 1190
            return

        if type.code == PointerCode:
            # This could still be stored in a register and
            # potentially dereferencable.
            if value.is_optimized_out:
                self.putValue("<optimized out>")
                return

hjk's avatar
hjk committed
1191
            self.putFormattedPointer(value)
1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212
            return

        if type.code == MethodPointerCode \
                or type.code == MethodCode \
                or type.code == FunctionCode \
                or type.code == MemberPointerCode:
            self.putType(typeName)
            self.putValue(value)
            self.putNumChild(0)
            return

        if typeName.startswith("<anon"):
            # Anonymous union. We need a dummy name to distinguish
            # multiple anonymous unions in the struct.
            self.putType(type)
            self.putValue("{...}")
            self.anonNumber += 1
            with Children(self, 1):
                self.listAnonymous(value, "#%d" % self.anonNumber, type)
            return

1213 1214 1215
        if type.code == StringCode:
            # FORTRAN strings
            size = type.sizeof
1216
            data = self.readMemory(value.address, size)
1217 1218 1219
            self.putValue(data, Hex2EncodedLatin1, 1)
            self.putType(type)

1220 1221 1222 1223 1224 1225
        if type.code != StructCode and type.code != UnionCode:
            warn("WRONG ASSUMPTION HERE: %s " % type.code)
            check(False)


        if tryDynamic:
1226
            self.putItem(self.expensiveDowncast(value), False)
1227 1228
            return

1229
        format = self.currentItemFormat(typeName)
1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248

        if self.useFancy and (format is None or format >= 1):
            self.putType(typeName)

            nsStrippedType = self.stripNamespaceFromType(typeName)\
                .replace("::", "__")

            # The following block is only needed for D.
            if nsStrippedType.startswith("_A"):
                # DMD v2.058 encodes string[] as _Array_uns long long.
                # With spaces.
                if nsStrippedType.startswith("_Array_"):
                    qdump_Array(self, value)
                    return
                if nsStrippedType.startswith("_AArray_"):
                    qdump_AArray(self, value)
                    return

            #warn(" STRIPPED: %s" % nsStrippedType)
1249 1250 1251
            #warn(" DUMPERS: %s" % self.qqDumpers)
            #warn(" DUMPERS: %s" % (nsStrippedType in self.qqDumpers))
            dumper = self.qqDumpers.get(nsStrippedType, None)
1252 1253
            if not dumper is None:
                if tryDynamic:
1254
                    dumper(self, self.expensiveDowncast(value))
1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272
                else:
                    dumper(self, value)
                return

        # D arrays, gdc compiled.
        if typeName.endswith("[]"):
            n = value["length"]
            base = value["ptr"]
            self.putType(typeName)
            self.putItemCount(n)
            if self.isExpanded():
                self.putArrayData(base.type.target(), base, n)
            return

        #warn("GENERIC STRUCT: %s" % type)
        #warn("INAME: %s " % self.currentIName)
        #warn("INAMES: %s " % self.expandedINames)
        #warn("EXPANDED: %s " % (self.currentIName in self.expandedINames))
1273 1274 1275
        staticMetaObject = self.extractStaticMetaObject(value.type)
        if staticMetaObject:
            self.putQObjectNameValue(value)
1276 1277
        self.putType(typeName)
        self.putEmptyValue()
1278
        self.putNumChild(len(type.fields()))
1279 1280 1281 1282 1283

        if self.currentIName in self.expandedINames:
            innerType = None
            with Children(self, 1, childType=innerType):
                self.putFields(value)
1284 1285
                if staticMetaObject:
                    self.putQObjectGuts(value, staticMetaObject)
hjk's avatar
hjk committed
1286

1287 1288 1289 1290 1291 1292 1293 1294

    def putPlainChildren(self, value):
        self.putEmptyValue(-99)
        self.putNumChild(1)
        if self.currentIName in self.expandedINames:
            with Children(self):
               self.putFields(value)

1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307
    def toBlob(self, value):
        size = toInteger(value.type.sizeof)
        if value.address:
            return self.extractBlob(value.address, size)

        # No address. Possibly the result of an inferior call.
        y = value.cast(gdb.lookup_type("unsigned char").array(0, int(size - 1)))
        buf = bytearray(struct.pack('x' * size))
        for i in range(size):
            buf[i] = int(y[i])

        return Blob(bytes(buf))

hjk's avatar
hjk committed
1308
    def extractBlob(self, base, size):
1309
        inferior = self.selectedInferior()
hjk's avatar
hjk committed
1310
        return Blob(inferior.read_memory(base, size))
1311

hjk's avatar
hjk committed
1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324
    def readCString(self, base):
        inferior = self.selectedInferior()
        mem = ""
        while True:
            char = inferior.read_memory(base, 1)[0]
            if not char:
                break
            mem += char
            base += 1
        #if sys.version_info[0] >= 3:
        #    return mem.tobytes()
        return mem

1325
    def putFields(self, value, dumpBase = True):
1326
            fields = value.type.fields()
1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339

            #warn("TYPE: %s" % type)
            #warn("FIELDS: %s" % fields)
            baseNumber = 0
            for field in fields:
                #warn("FIELD: %s" % field)
                #warn("  BITSIZE: %s" % field.bitsize)
                #warn("  ARTIFICIAL: %s" % field.artificial)

                if field.name is None:
                    type = stripTypedefs(value.type)
                    innerType = type.target()
                    p = value.cast(innerType.pointer())
1340
                    for i in xrange(int(type.sizeof / innerType.sizeof)):
1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357
                        with SubItem(self, i):
                            self.putItem(p.dereference())
                        p = p + 1
                    continue

                # Ignore vtable pointers for virtual inheritance.
                if field.name.startswith("_vptr."):
                    with SubItem(self, "[vptr]"):
                        # int (**)(void)
                        n = 100
                        self.putType(" ")
                        self.putValue(value[field.name])
                        self.putNumChild(n)
                        if self.isExpanded():
                            with Children(self):
                                p = value[field.name]
                                for i in xrange(n):
1358
                                    if toInteger(p.dereference()) != 0:
1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373
                                        with SubItem(self, i):
                                            self.putItem(p.dereference())
                                            self.putType(" ")
                                            p = p + 1
                    continue

                #warn("FIELD NAME: %s" % field.name)
                #warn("FIELD TYPE: %s" % field.type)
                if field.is_base_class:
                    # Field is base type. We cannot use field.name as part
                    # of the iname as it might contain spaces and other
                    # strange characters.
                    if dumpBase:
                        baseNumber += 1
                        with UnnamedSubItem(self, "@%d" % baseNumber):
1374
                            baseValue = value.cast(field.type)
1375 1376
                            self.put('iname="%s",' % self.currentIName)
                            self.put('name="[%s]",' % field.name)
1377 1378
                            self.putAddress(baseValue.address)
                            self.putItem(baseValue, False)
1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390
                elif len(field.name) == 0:
                    # Anonymous union. We need a dummy name to distinguish
                    # multiple anonymous unions in the struct.
                    self.anonNumber += 1
                    self.listAnonymous(value